New Delhi, May 17 -- A fresh debate triggered on the future of the Indian National Developmental Inclusive Alliance (INDIA) bloc after senior Congress leader and former Union minister P Chidambaram voiced concerns about the grouping, calling it frail, and saying he was not sure if the opposition alliance was still intact. Speaking at the launch of a book written by Salman Khurshid and Mritunjay Singh Yadav on Thursday, Chidambaram said: "The future (of the INDIA bloc) is not so bright, as Mritunjay Singh Yadav said. He seems to feel that the alliance is still intact, but I am not sure. It is only Salman (Khurshid) who can answer because he was part of the negotiating team for the INDIA bloc. If the alliance is totally intact, I will be very...